Products

Harmonic Mitigating Transformers

Ultra-Efficient Transformers

Medium Voltage Transformers

Cast Coil Transformers

Specialty / Custom Transformers

General Purpose Transformers

Surge Protection Devices

PQI Products

PQI offers the most comprehensive selection of ultra-efficient and harmonic mitigating transformers in the industry. This variety allows designers to match our products to the specific requirements of each application. Our Type EY e-Rated®transformers and Type DV Distribution TransFilters™ are our most popular products and provide numerous benefits to owners interested in energy efficiency and improved power quality. Selecting transformers is sometimes more of an art than a science, and many designers choose to work with us as part of The PQI Solution™.